This #BlackLivesMatter protester thought he was going to get away with this – but he definitely had another thing coming.

A Black Lives Matter protest figure who torched a convenience store in a nearby town during unrest in Ferguson, Missouri, was sentenced to at least eight years in prison last week after he pleaded guilty to the attack.

Joshua Williams, 19, burned down the QuikTrip store in Berkeley, Missouri, on Dec. 24, 2014, during protests following the death of Antonio Martin, an African-American teen shot after pointing a gun at an officer.

According to the St. Louis Post-Dispatch, Williams had taken items from the store and then set a fire using lighter fluid outside. He pleaded guilty to arson and burglary charges.

Making the incident more embarrassing for the Black Lives Matter movement was the fact that Williams was one of its most vocal and visible members, especially in the protests around Ferguson after the death of Michael Brown.